package com.atguigu.condition;

import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
import org.springframework.beans.factory.support.BeanDefinitionRegistry;
import org.springframework.context.annotation.Condition;
import org.springframework.context.annotation.ConditionContext;
import org.springframework.core.env.Environment;
import org.springframework.core.type.AnnotatedTypeMetadata;

//判断是否linux系统
public class LinusCondition implements Condition {

    /*
    * ConditionContext:判断条件能使用的上下文(环境)
    * AnnotatedTypeMetadata 注释信息
    * */


    @Override
    public boolean matches(ConditionContext context, AnnotatedTypeMetadata annotatedTypeMetadata) {
        //是否linux系统
        //1.能获取到ioc使用的beanfactory
        ConfigurableListableBeanFactory beanFactory =context.getBeanFactory();

        //2.获取类加载器
        ClassLoader classLoader = context.getClassLoader();
        //3.获取当前环境
        Environment environment = context.getEnvironment();
        //4.获取到bean定义的注册类
        BeanDefinitionRegistry registry = context.getRegistry();
        String property = environment.getProperty("os.name");
        if (property.contains("linux")) {
            return true;
        }

        return false;
    }
}
